From 8beee644a52e3290328e21ee3868ced31bbb1cfe Mon Sep 17 00:00:00 2001
From: Joseph Bielawski <stloyd@gmail.com>
Date: Thu, 20 Dec 2012 16:12:12 +0100
Subject: [PATCH] [Form] Fix for `DateTimeToStringTransformer`

---
 .../DateTimeToStringTransformer.php           |  9 ++++---
 .../DateTimeToStringTransformerTest.php       | 27 ++++++++++++-------
 2 files changed, 23 insertions(+), 13 deletions(-)

diff --git a/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php b/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php
index f7c4eb479867..2ebfef3626c5 100644
--- a/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php
+++ b/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php
@@ -42,7 +42,7 @@ class DateTimeToStringTransformer extends BaseDateTimeTransformer
     /**
      * Whether to parse by appending a pipe "|" to the parse format.
      *
-     * This only works as of PHP 5.3.8.
+     * This only works as of PHP 5.3.7.
      *
      * @var Boolean
      */
@@ -66,9 +66,10 @@ public function __construct($inputTimezone = null, $outputTimezone = null, $form
 
         $this->generateFormat = $this->parseFormat = $format;
 
-        // The pipe in the parser pattern only works as of PHP 5.3.8
+        // The pipe in the parser pattern only works as of PHP 5.3.7
+        // See http://bugs.php.net/54316
         $this->parseUsingPipe = null === $parseUsingPipe
-            ? version_compare(phpversion(), '5.3.8', '>=')
+            ? version_compare(phpversion(), '5.3.7', '>=')
             : $parseUsingPipe;
 
         // See http://php.net/manual/en/datetime.createfromformat.php
@@ -151,7 +152,7 @@ public function reverseTransform($value)
                 );
             }
 
-            // On PHP versions < 5.3.8 we need to emulate the pipe operator
+            // On PHP versions < 5.3.7 we need to emulate the pipe operator
             // and reset parts not given in the format to their equivalent
             // of the UNIX base timestamp.
             if (!$this->parseUsingPipe) {
diff --git a/src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/DateTimeToStringTransformerTest.php b/src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/DateTimeToStringTransformerTest.php
index 804549fd8070..6c6442592c55 100644
--- a/src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/DateTimeToStringTransformerTest.php
+++ b/src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/DateTimeToStringTransformerTest.php
@@ -17,7 +17,7 @@ class DateTimeToStringTransformerTest extends DateTimeTestCase
 {
     public function dataProvider()
     {
-        return array(
+        $data = array(
             array('Y-m-d H:i:s', '2010-02-03 16:05:06', '2010-02-03 16:05:06 UTC'),
             array('Y-m-d H:i:00', '2010-02-03 16:05:00', '2010-02-03 16:05:00 UTC'),
             array('Y-m-d H:i', '2010-02-03 16:05', '2010-02-03 16:05:00 UTC'),
@@ -33,10 +33,12 @@ public function dataProvider()
 
             // different day representations
             array('Y-m-j', '2010-02-3', '2010-02-03 00:00:00 UTC'),
-            array('Y-z', '2010-33', '2010-02-03 00:00:00 UTC'),
             array('z', '33', '1970-02-03 00:00:00 UTC'),
 
             // not bijective
+            // this will not work as php will use actual date to replace missing info
+            // and after change of date will lookup for closest Wednesday
+            // i.e. value: 2010-02, php value: 2010-02-(today i.e. 20), parsed date: 2010-02-24
             //array('Y-m-D', '2010-02-Wed', '2010-02-03 00:00:00 UTC'),
             //array('Y-m-l', '2010-02-Wednesday', '2010-02-03 00:00:00 UTC'),
 
@@ -56,6 +58,13 @@ public function dataProvider()
             // seconds since unix
             array('U', '1265213106', '2010-02-03 16:05:06 UTC'),
         );
+
+        // This test will fail < 5.3.9 - see https://bugs.php.net/51994
+        if (version_compare(phpversion(), '5.3.9', '>=')) {
+            $data[] = array('Y-z', '2010-33', '2010-02-03 00:00:00 UTC');
+        }
+
+        return $data;
     }
 
     /**
@@ -100,8 +109,12 @@ public function testTransformExpectsDateTime()
     /**
      * @dataProvider dataProvider
      */
-    public function testReverseTransformBeforePhp538($format, $input, $output)
+    public function testReverseTransformUsingPipe($format, $input, $output)
     {
+        if (version_compare(phpversion(), '5.3.7', '>=')) {
+            $this->markTestSkipped('Pipe usage requires PHP 5.3.7 or newer.');
+        }
+
         $reverseTransformer = new DateTimeToStringTransformer('UTC', 'UTC', $format, false);
 
         $output = new \DateTime($output);
@@ -112,13 +125,9 @@ public function testReverseTransformBeforePhp538($format, $input, $output)
     /**
      * @dataProvider dataProvider
      */
-    public function testReverseTransformAsOfPhp538($format, $input, $output)
+    public function testReverseTransformWithoutUsingPipe($format, $input, $output)
     {
-        if (version_compare(phpversion(), '5.3.8', '<')) {
-            $this->markTestSkipped('Requires PHP 5.3.8 or newer');
-        }
-
-        $reverseTransformer = new DateTimeToStringTransformer('UTC', 'UTC', $format);
+        $reverseTransformer = new DateTimeToStringTransformer('UTC', 'UTC', $format, false);
 
         $output = new \DateTime($output);